20803300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 52246656

約数和(自身を除く): 31443356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 113, 140, 175, 226, 263, 350, 452, 526, 565, 700, 791, 1052, 1130, 1315, 1582, 1841, 2260, 2630, 2825, 3164, 3682, 3955, 5260, 5650, 6575, 7364, 7910, 9205, 11300, 13150, 15820, 18410, 19775, 26300, 29719, 36820, 39550, 46025, 59438, 79100, 92050, 118876, 148595, 184100, 208033, 297190, 416066, 594380, 742975, 832132, 1040165, 1485950, 2080330, 2971900, 4160660, 5200825, 10401650, 20803300]

約数ペア:

[(1, 20803300), (2, 10401650), (4, 5200825), (5, 4160660), (7, 2971900), (10, 2080330), (14, 1485950), (20, 1040165), (25, 832132), (28, 742975), (35, 594380), (50, 416066), (70, 297190), (100, 208033), (113, 184100), (140, 148595), (175, 118876), (226, 92050), (263, 79100), (350, 59438), (452, 46025), (526, 39550), (565, 36820), (700, 29719), (791, 26300), (1052, 19775), (1130, 18410), (1315, 15820), (1582, 13150), (1841, 11300), (2260, 9205), (2630, 7910), (2825, 7364), (3164, 6575), (3682, 5650), (3955, 5260)]